More type safe ways of gettting channel attributes

[jenshnielsen]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 66.66667% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 59.73%. Comparing base (e68ff37) to head (357fbde).
⚠️ Report is 18 commits behind head on main.

Files with missing lines	Patch %	Lines
src/qcodes/instrument/channel.py	66.66%	3 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #7486   +/-   ##
=======================================
  Coverage   59.73%   59.73%           
=======================================
  Files         347      347           
  Lines       31242    31249    +7     
=======================================
+ Hits        18661    18666    +5     
- Misses      12581    12583    +2     

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[Copilot]

Pull Request Overview

This PR introduces more type-safe ways of getting channel attributes by improving type hints and adding a new deprecation warning for the get_channel_by_name method when used with multiple names.

Key changes:

• Adds explicit type annotations for parameters in mock instrument classes
• Introduces a new get_channels_by_name method as a replacement for multi-name usage of get_channel_by_name
• Improves type safety by adding runtime type assertions in test code

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 4 comments.

File	Description
tests/test_channels.py	Adds type annotations, creates dedicated test class for channel lists, adds type assertions for better runtime type safety
src/qcodes/instrument_drivers/mock_instruments/init.py	Adds explicit type annotations for all parameter attributes in mock instrument classes
src/qcodes/instrument/channel.py	Implements new get_channels_by_name method and deprecation warning for multi-name usage of get_channel_by_name
docs/changes/newsfragments/7486.breaking	Documents the breaking change and deprecation